condition	mean	min	max
4 h after light	6.944884999999999	4.5475	9.34227
8 h after light	4.06296	3.88913	4.23679
12 h after light	10.8914	10.5233	11.2595
4 h after dark	8.2407	8.18156	8.29984
8 h after dark	6.35252	6.00751	6.69753
12 h after dark	7.78187	7.64127	7.92247